Top 25 sunspot regions of 2025
On this page you will find an overview of the largest sunspot regions of the year 2025. This page is updated daily. Sunspot information comes from the NOAA SWPC.
| Region | Size | Number of sunspots | Class Magn. | Class Spot | ||
|---|---|---|---|---|---|---|
| 1 | 2025/01/20 | 3961 | 800 | 70 | FKC | |
| 2 | 2025/01/18 | 3959 | 560 | 10 | EKO | |
| 3 | 2025/01/17 | 3964 | 475 | 17 | DKI | |
| 4 | 2025/02/24 | 3998 | 430 | 34 | EKC | |
| 5 | 2025/02/05 | 3981 | 430 | 32 | EKC | |
| 6 | 2025/02/24 | 4006 | 380 | 10 | DHI | |
| 7 | 2025/01/08 | 3947 | 370 | 12 | EKC | |
| 8 | 2025/02/18 | 3996 | 360 | 18 | EKI | |
| 9 | 2025/01/03 | 3945 | 350 | 15 | DKI | |
| 10 | 2025/01/01 | 3936 | 340 | 8 | EKC | |
| 11 | 2025/02/13 | 3990 | 310 | 7 | CKI | |
| 12 | 2025/03/06 | 4012 | 310 | 24 | EKI | |
| 13 | 2025/03/25 | 4036 | 300 | 8 | EKI | |
| 14 | 2025/02/07 | 3978 | 280 | 6 | CKO | |
| 15 | 2025/03/28 | 4046 | 270 | 3 | CHO | |
| 16 | 2025/02/15 | 3989 | 270 | 1 | HHX | |
| 17 | 2025/02/02 | 3976 | 260 | 21 | EKC | |
| 18 | 2025/01/12 | 3956 | 250 | 12 | DAO | |
| 19 | 2025/02/13 | 3993 | 250 | 1 | HHX | |
| 20 | 2025/03/15 | 4028 | 240 | 3 | DAI | |
| 21 | 2025/01/02 | 3944 | 220 | 12 | DAI | |
| 22 | 2025/03/12 | 4019 | 210 | 15 | DAC | |
| 23 | 2025/03/04 | 4007 | 210 | 14 | DAI | |
| 24 | 2025/02/13 | 3992 | 210 | 16 | DAI | |
| 25 | 2025/02/22 | 4000 | 180 | 20 | DAI |
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Friday, 28 March 2025
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Coronal hole faces Earth
Saturday, 22 March 2025
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Latest alerts
02:09 UTC - Solar flare
Moderate M1.54 flare from sunspot region 4048
01:42 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.24)
Saturday, 29 March 2025
23:21 UTC - Solar flare
Moderate M1.91 flare from sunspot region 4048
22:51 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.1)
21:57 UTC - Solar flare
Moderate M1.45 flare from sunspot region 4048
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/30 | M1.5 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 127.5 -27.1 |
| Last 30 days | 127.5 -24.7 |